Hi Caesar,
Thanks for your comments.
Best Regards,
Rocky
? 2017/8/11 14:44, Caesar Wang ??:
> ? 2017?08?04? 16:06, Rocky Hao ??:
>> add thermal zone and dynamic CPU power coefficients for rk3328
>>
>> Signed-off-by: Rocky Hao <rocky.hao at rock-chips.com>
>> ---
>> Change in v2:
>> - remove gerrit Change-Id
>>
>> arch/arm64/boot/dts/rockchip/rk3328.dtsi | 43
>> ++++++++++++++++++++++++++++++++
>> 1 file changed, 43 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
>> b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
>> index 186fb93fdffd..68829f808320 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
>> +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
>> @@ -47,6 +47,7 @@
>> #include <dt-bindings/pinctrl/rockchip.h>
>> #include <dt-bindings/power/rk3328-power.h>
>> #include <dt-bindings/soc/rockchip,boot-mode.h>
>> +#include <dt-bindings/thermal/thermal.h>
>> / {
>> compatible = "rockchip,rk3328";
>> @@ -74,6 +75,8 @@
>> compatible = "arm,cortex-a53", "arm,armv8";
>> reg = <0x0 0x0>;
>> clocks = <&cru ARMCLK>;
>> + #cooling-cells = <2>; /* min followed by max */
>> + dynamic-power-coefficient = <120>;
>> enable-method = "psci";
>> next-level-cache = <&l2>;
>> };
>> @@ -83,6 +86,7 @@
>> compatible = "arm,cortex-a53", "arm,armv8";
>> reg = <0x0 0x1>;
>> clocks = <&cru ARMCLK>;
>> + dynamic-power-coefficient = <120>;
>> enable-method = "psci";
>> next-level-cache = <&l2>;
>> };
>> @@ -92,6 +96,7 @@
>> compatible = "arm,cortex-a53", "arm,armv8";
>> reg = <0x0 0x2>;
>> clocks = <&cru ARMCLK>;
>> + dynamic-power-coefficient = <120>;
>> enable-method = "psci";
>> next-level-cache = <&l2>;
>> };
>> @@ -101,6 +106,7 @@
>> compatible = "arm,cortex-a53", "arm,armv8";
>> reg = <0x0 0x3>;
>> clocks = <&cru ARMCLK>;
>> + dynamic-power-coefficient = <120>;
>> enable-method = "psci";
>> next-level-cache = <&l2>;
>> };
>> @@ -308,6 +314,43 @@
>> interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
>> };
>> + thermal-zones {
>> + soc_thermal: soc-thermal {
>> + polling-delay-passive = <20>; /* milliseconds */
>> + polling-delay = <1000>; /* milliseconds */
>> + sustainable-power = <1000>; /* milliwatts */
>> +
>> + thermal-sensors = <&tsadc 0>;
>> +
>> + trips {
>> + threshold: trip-point0 {
>> + temperature = <70000>; /* millicelsius */
>> + hysteresis = <2000>; /* millicelsius */
>> + type = "passive";
>> + };
>> + target: trip-point1 {
>> + temperature = <85000>; /* millicelsius */
>> + hysteresis = <2000>; /* millicelsius */
>> + type = "passive";
>> + };
>> + soc_crit: soc-crit {
>> + temperature = <95000>; /* millicelsius */
>> + hysteresis = <2000>; /* millicelsius */
>
> The document had already described, maybe we should remove the
> millicelsius/milliseconds/milliwatts here.
It is ok for me.
>> + type = "critical";
>> + };
>> + };
>> +
>> + cooling-maps {
>> + map0 {
>> + trip = <&target>;
>> + cooling-device = <&cpu0 THERMAL_NO_LIMIT
>> THERMAL_NO_LIMIT>;
>> + contribution = <4096>;
>> + };
>> + };
>> + };
>> +
>> + };
>> +
>> tsadc: tsadc at ff250000 {
>> compatible = "rockchip,rk3328-tsadc";
>> reg = <0x0 0xff250000 0x0 0x100>;
>
>
>
>
